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Lumen GI and Reflections feedback thread
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2381
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173872
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November 6, 2026
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Trying to optimize hardware Lumen Reflections with Nsight Graphics
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0
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28
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November 2, 2026
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Visible splits in lumen reflections(the rendered frame) when using large screenpercentage
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6
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190
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October 27, 2026
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UE 5.8 – Skeletal Meshes lose shadows with MegaLights at GI Medium (fix)
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0
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140
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October 15, 2026
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Lumen not turning on in 5.5-5.8, but works fine in 5.0
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2
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213
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October 15, 2026
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[UE 5.8.3][Lumen] Broad interior light leakage in a sealed stock-cube room with Screen Probe Gather
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0
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94
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October 11, 2026
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5.8 Lumen disables Planar Reflection?
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3
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115
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October 7, 2026
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Lumen HWRT GPU page fault: persistent SBT / RayTracingSceneMetadata reference s a released index buffer
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0
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66
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October 7, 2026
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5.8 Lumen Overwrites Planar Reflection Actor
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0
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87
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October 3, 2026
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Lumen Medium causing black flickering artefacts
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0
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60
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September 17, 2026
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Echoes of the Lost - solo-developed survival horror in UE 5.8
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0
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88
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September 17, 2026
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Echoes of the Lost - solo-developed survival horror in UE 5.8 (Lumen, no Nanite)
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0
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115
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September 16, 2026
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Lumen And SceneCapture2D (UE5)
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1
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268
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September 9, 2026
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UE 5.7.4 Lumen HWRT Inline RayTracing GPU Page Fault during Streaming / Geometry Lifetime Changes
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1
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113
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September 8, 2026
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UE5.7 - Fix: Lumen not working for SM5 DX11 and DX12
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4
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1008
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September 4, 2026
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Tutorial: Lifelike Outdoor Lighting in 5 minutes [Youtube]
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1
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175
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August 20, 2026
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Benefits of Physically Based Lighting Values vs. Game-Scaled Values in UE5
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0
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87
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August 14, 2026
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How to fix lumen flickering issue without anti aliasing?
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1
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246
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August 12, 2026
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UE 5.8.0 - blank + openXR plugin + instanced stereo = instant crash in VR
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7
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342
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August 9, 2026
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Black geometry in mirror kaleidoscope with Lumen Reflections
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1
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111
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July 17, 2026
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Raghava Halo | Interactive Real Estate Sales Experience | Unreal Engine 5.6 | Pixel Streaming
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0
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169
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July 15, 2026
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Lumen no longer working in UE5.5 DX11 SM5
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28
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4407
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July 5, 2026
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How come some games are seen as extremely realistic, like Silent Breath?
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13
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276
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June 4, 2026
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Lumen GI & Reflections in VR
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5
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311
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May 28, 2026
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Foliage Grass flickering in the shadow UE5 Lumen
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14
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8867
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May 27, 2026
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Virtual Shadow Map Blocky Flickering UE 5.3.2
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6
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1278
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May 20, 2026
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Why does Lumen produce different initial lighting results when reopening an Unreal Engine project?
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5
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185
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April 20, 2026
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SJOR - Film | UE 5.5 | Lumen
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0
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99
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April 15, 2026
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UE 5.5 - Heavy ghosting offset of my moving object
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4
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2925
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March 25, 2026
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[5.5.3] Lumen Bounce Light in SceneCaptureComponent2D
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3
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168
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March 24, 2026
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